Sunshan Horiza 7.4V 3500mAh Li-Polymer Rechargeable Battery Pack Replacement Set Compatible with Heated Gloves Liners Mittens Socks Vest Jacket Hand Muff Charger 7.4v Battery(2 Pack) — Open-Box, 15% Off

【2-Pack High-Capacity Power】2 × 7.4V 3500mAh lithium-polymer batteries, delivering long-lasting energy for your heated accessories (charging voltage: 8.4V; max charge/discharge current: 1C).

【Universal Compatibility】Ideal replacement batteries for heated gloves, socks, hats, jackets, insoles, knee pads, back braces, and shoes—perfect for winter outdoor sports (skiing, hunting, fishing, cycling) and daily cold-weather use.

【Long Runtime & Fast Charging】Provides 2.5-8 hours of use (varies by heating level); fully charges in 2.5-4 hours via the standard 3.5mm/1.35mm DC jack—quick to replenish and ready when you need it.

【Premium Safety & Durability】CE, UL, FCC certified; built-in multi-layer protections + leak-proof design to prevent overcharging, overdischarging, overheating, and short circuits—safe for year-round use.

【Long Cycle Life & Easy Storage】Supports 500-600 charge cycles; store at 40%-60% charge, recharge every 3 months for longevity—designed to withstand extreme temperatures (-60°C to 60°C discharge range).

【What You Get After Purchase?】2*7.4V 3500mAh Rechargeable Lithium Polymer Batteries and 1*Charger. Charging Time: ~4 hours (via female DC jack, 3.5mm outer diameter / 1.35mm inner diameter).Note: Fully charge before first use, and recharge only after complete depletion.24/7 Support from our friendly customer team

Stay Warm & Powered All Winter – 2-Pack 7.4V 3500mAh Rechargeable Lithium-Polymer Batteries for Heated Gear! Designed for cold-weather lovers and outdoor enthusiasts, these high-capacity batteries are your perfect companion for staying cozy during skiing, hunting, fishing, cycling, or daily commutes. Compatible with most heated accessories—gloves, socks, hats, jackets, insoles, knee pads, back braces, and shoes—they deliver reliable power to keep the chill at bay. Each battery boasts a 3500mAh capacity and 7.4V rated voltage, providing 2.5-8 hours of continuous warmth (varies by heating level) to support all-day adventures. With a fast charging time of 2.5-4 hours via the 3.5mm (outer diameter) / 1.35mm (inner diameter) female DC jack, you can quickly recharge and get back outdoors. Built with UL/FCC-certified Li-Polymer cells, they feature multiple safety protections: overcharging, overdischarging, overheating, overcurrent, and short-circuit prevention. The leak-proof design and high-temperature resistance (up to 60°C) ensure durability even in harsh winter conditions, while CE, UL, and FCC certifications guarantee compliance with global safety standards. Engineered for long-term use, these batteries support 500-600 charge cycles—enough to last multiple winters. For optimal storage, keep them at 40%-60% charge and recharge every 3 months; store in a cool, dry indoor environment. Please note: Remove batteries from garments before washing, avoid crushing/puncturing/incinerating, and keep away from flammable materials while charging. Fully charge before first use and recharge only after complete depletion for best performance. What you get: 2 × 7.4V 3500mAh Rechargeable Lithium-Polymer Batteries + 24/7 friendly customer support. Whether you’re hitting the slopes or shoveling snow, these batteries will keep your heated gear running strong—so you can enjoy the winter without sacrificing comfort!